code: def test_is_enabled_not_existing():
      features = Features()
      with pytest.raises(RuntimeError):
          features.is_enabled("this girl is on fire")
  
file_path: mxnet/tests/python/unittest/test_runtime.py
imports: import mxnet
  import sys
  from mxnet.runtime import *
  from mxnet.base import MXNetError
  import pytest
label_desc: Use image node_id 4 for calling a global function with example usage: test_is_enabled_not_existing() without return types